package calculator.equationnodes;


/*
 * OpNode.java
 * Author: Ben McCormick
 * Written: Jan 2 2011
 * Last Edited: May 16 2011
 * Ben McCormick 2011
 * This file is part of The Eikona Project .
 *    Copyright 2011 Ben McCormick
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *    
 *    http://www.apache.org/licenses/LICENSE-2.0
 *    
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */
public abstract class OpNode extends EquationNode{
	
protected EquationNode child;
	

	/** Set the child for the operator */
	public void setChild(EquationNode _child)
	{
		child = _child;
	}

	@Override
	public int numChildren() {
		// TODO Auto-generated method stub
		return 1;
	}

	/** Get the child for this node */
	public EquationNode getChild() {
		// TODO Auto-generated method stub
		return child;
	}
	
	public String toString()
	{
		if(child !=null)
		{
			return child+name;
		}
		else return name;
	}
	
}
